/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package eu.fsiebert.polytech.db.mediatheque.front.servlet;

import eu.fsiebert.polytech.db.mediatheque.entity.Adherent;
import eu.fsiebert.polytech.db.mediatheque.entity.Livre;
import eu.fsiebert.polytech.db.mediatheque.session.AdherentFacade;
import eu.fsiebert.polytech.db.mediatheque.session.ExemplaireFacade;
import eu.fsiebert.polytech.db.mediatheque.session.LivreFacade;
import java.io.IOException;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author hocine
 */
@WebServlet(name = "CatalogueLivres", urlPatterns = {"/CatalogueLivres"})
public class CatalogueLivres extends HttpServlet {

    @EJB
    private LivreFacade livreFacade;  
    
    @EJB
    private ExemplaireFacade exemplaireFacade;
    
    @EJB
    private AdherentFacade facade; 
    
    /*@Resource
    private UserTransaction utx;*/
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        Adherent user = (Adherent)request.getSession().getAttribute("user");
        if(user == null){
            response.sendRedirect("index.jsp");
        }else{
            //facade.refresh()
            if(request.getParameter("search") != null){
                String titre = request.getParameter("titre");
                String auteur = request.getParameter("auteur");
                String genre = request.getParameter("genre");
                String motscles = request.getParameter("keywords");
                
               
                List<Livre> list = livreFacade.getLivres(titre, auteur, genre, motscles);
                request.setAttribute("items", list);
                request.setAttribute("exemplaireFacade", exemplaireFacade); 
                

            }else{
                List<Livre> list = livreFacade.getNouveautes();
                request.setAttribute("items", list);
                request.setAttribute("exemplaireFacade", exemplaireFacade);
            }
            
            request.getRequestDispatcher("pages/catalogue-livres.jsp").forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
